[Launching] Improve addition of default VM arguments for Eclipse apps

[HannesWell]

Simplify the code and add arguments only if they are not even added with another value.

[eclipse-pde-bot]

This pull request changes some projects for the first time in this development cycle.
Therefore the following files need a version increment:

features/org.eclipse.pde.unittest.junit-feature/feature.xml
ui/org.eclipse.pde.launching/META-INF/MANIFEST.MF
ui/org.eclipse.pde.unittest.junit/META-INF/MANIFEST.MF

An additional commit containing all the necessary changes was pushed to the top of this PR's branch. To obtain these changes (for example if you want to push more changes) either fetch from your fork or apply the git patch.

Git patch

From 70d13900cb0ec572ea7638c09f138786e9ca146c Mon Sep 17 00:00:00 2001
From: Eclipse PDE Bot <[email protected]>
Date: Sat, 14 Dec 2024 00:22:31 +0000
Subject: [PATCH] Version bump(s) for 4.35 stream


diff --git a/features/org.eclipse.pde.unittest.junit-feature/feature.xml b/features/org.eclipse.pde.unittest.junit-feature/feature.xml
index 2da46788b0..6f177151f0 100644
--- a/features/org.eclipse.pde.unittest.junit-feature/feature.xml
+++ b/features/org.eclipse.pde.unittest.junit-feature/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="org.eclipse.pde.unittest.junit"
       label="%featureName"
-      version="1.0.900.qualifier"
+      version="1.0.1000.qualifier"
       provider-name="%providerName"
       license-feature="org.eclipse.license"
       license-feature-version="0.0.0">
diff --git a/ui/org.eclipse.pde.launching/META-INF/MANIFEST.MF b/ui/org.eclipse.pde.launching/META-INF/MANIFEST.MF
index a4a330bb39..3ef88e7cdb 100644
--- a/ui/org.eclipse.pde.launching/META-INF/MANIFEST.MF
+++ b/ui/org.eclipse.pde.launching/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %name
 Bundle-SymbolicName: org.eclipse.pde.launching;singleton:=true
-Bundle-Version: 3.13.200.qualifier
+Bundle-Version: 3.13.300.qualifier
 Bundle-RequiredExecutionEnvironment: JavaSE-17
 Bundle-Vendor: %provider-name
 Require-Bundle: org.eclipse.jdt.junit.core;bundle-version="[3.6.0,4.0.0)",
diff --git a/ui/org.eclipse.pde.unittest.junit/META-INF/MANIFEST.MF b/ui/org.eclipse.pde.unittest.junit/META-INF/MANIFEST.MF
index 1606ab427e..71c72293b4 100644
--- a/ui/org.eclipse.pde.unittest.junit/META-INF/MANIFEST.MF
+++ b/ui/org.eclipse.pde.unittest.junit/META-INF/MANIFEST.MF
@@ -3,7 +3,7 @@ Automatic-Module-Name: org.eclipse.pde.unittest.junit
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.pde.unittest.junit;singleton:=true
-Bundle-Version: 1.1.500.qualifier
+Bundle-Version: 1.1.600.qualifier
 Bundle-Activator: org.eclipse.pde.unittest.junit.JUnitPluginTestPlugin
 Bundle-ActivationPolicy: lazy
 Bundle-Vendor: %providerName
-- 
2.47.1

Further information are available in Common Build Issues - Missing version increments.

[github-actions]

Test Results

   285 files  ±0     285 suites  ±0   48m 15s ⏱️ - 2m 54s
 3 586 tests ±0   3 510 ✅ ±0   76 💤 ±0  0 ❌ ±0 
10 950 runs  ±0  10 719 ✅ ±0  231 💤 ±0  0 ❌ ±0 

Results for commit 1f18c3e. ± Comparison against base commit 51ef6fe.

♻️ This comment has been updated with latest results.

[HannesWell]

Included in #1516.